Answers

Add 45/84 and 80/7

1^st number: 45/84, 2^nd number: 11 3/7

45/84 + 80/7 is 335/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 7 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   45/84 = 45 × 1/84 × 1 = 45/84
3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
   80/7 = 80 × 12/7 × 12 = 960/84
4. Add the two like fractions:
   45/84 + 960/84 = 45 + 960/84 = 1005/84
5. 1005/84 simplified gives 335/28
6. So, 45/84 + 80/7 = 335/28
   In mixed form: 1127/28

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁹⁰/₈₄+⁸⁰/₇ ⁴⁵/₈₄+⁸⁰/₁₄ ⁴⁵/₈₄+⁸⁰/₂₁ ⁴⁵/₈₄+⁸⁰/₃₅ ⁴⁵/₈₄+⁸⁰/₄₉

Add Fractions Calculator